. >> miller: it's the most secretive spy agency in america, but the n.s.a. opened its doors to "60 minutes," and we talked to people who have never spoken publicly and brought our cameras into places that no one without a secret clearance has ever been. >> the pakistani government has asked the u.s. government to relook its drone policy. >> miller: it's been said n.s.a. stands for "never say anything," until now, at a time when there are a lot of serious questions about the agency's reach into the lives of the american public. >> the fact is, we're not collecting everybody's email, we're not collecting everybody's phone things, we're not listening to that. our job is foreign intelligence